20612862

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{127}}^2$

素因数の和:333

約数の個数: 36

約数和(自身を含む): 45649656

約数和(自身を除く): 25036794

約数列:

[1, 2, 3, 6, 9, 18, 71, 127, 142, 213, 254, 381, 426, 639, 762, 1143, 1278, 2286, 9017, 16129, 18034, 27051, 32258, 48387, 54102, 81153, 96774, 145161, 162306, 290322, 1145159, 2290318, 3435477, 6870954, 10306431, 20612862]

約数ペア:

[(1, 20612862), (2, 10306431), (3, 6870954), (6, 3435477), (9, 2290318), (18, 1145159), (71, 290322), (127, 162306), (142, 145161), (213, 96774), (254, 81153), (381, 54102), (426, 48387), (639, 32258), (762, 27051), (1143, 18034), (1278, 16129), (2286, 9017)]